Will Two Do? Varying Dimensions in Electrocardiography: The PhysioNet/Computing in Cardiology Challenge 2021 1.0.3

File: <base>/training/ptb-xl/g1/HR00712.hea (776 bytes) 
HR00712 12 500 5000
HR00712.mat 16x1+24 1000.0(0)/mv 16 0 -275 21260 0 I
HR00712.mat 16x1+24 1000.0(0)/mv 16 0 -180 19850 0 II
HR00712.mat 16x1+24 1000.0(0)/mv 16 0 95 -1419 0 III
HR00712.mat 16x1+24 1000.0(0)/mv 16 0 227 -20796 0 aVR
HR00712.mat 16x1+24 1000.0(0)/mv 16 0 -185 -21474 0 aVL
HR00712.mat 16x1+24 1000.0(0)/mv 16 0 -42 -23654 0 aVF
HR00712.mat 16x1+24 1000.0(0)/mv 16 0 770 -6149 0 V1
HR00712.mat 16x1+24 1000.0(0)/mv 16 0 960 17181 0 V2
HR00712.mat 16x1+24 1000.0(0)/mv 16 0 1435 -305 0 V3
HR00712.mat 16x1+24 1000.0(0)/mv 16 0 -85 23862 0 V4
HR00712.mat 16x1+24 1000.0(0)/mv 16 0 -435 6042 0 V5
HR00712.mat 16x1+24 1000.0(0)/mv 16 0 -730 9605 0 V6
# Age: NaN
# Sex: Female
# Dx: 164884008,164909002,39732003,426783006
# Rx: Unknown
# Hx: Unknown
# Sx: Unknown